Annual report pursuant to Section 13 and 15(d)

Financing Notes Receivable (Details)

v2.4.1.9
Financing Notes Receivable (Details) (USD $)
1 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended
Dec. 31, 2012
Dec. 31, 2014
Dec. 31, 2013
Nov. 30, 2012
Mar. 13, 2014
Dec. 31, 2014
Jul. 31, 2014
Jul. 23, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Advances on revolving line of credit $ 530,000us-gaap_ProceedsFromLinesOfCredit $ 34,676,948us-gaap_ProceedsFromLinesOfCredit $ 221,332us-gaap_ProceedsFromLinesOfCredit $ 5,285,000us-gaap_ProceedsFromLinesOfCredit        
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 11.41us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1       11.41us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1    
Long-term Debt [Member] | Black Bison Water Services LLC [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Maximum borrowing base of revolving note payable               12,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LongTermDebtMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
Line of Credit [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Advances on revolving line of credit         4,000,000us-gaap_ProceedsFromLinesOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
     
Debt Instrument, Basis Spread on Variable Rate         2.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
     
Line of Credit [Member] | Black Bison Water Services LLC [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Advances on revolving line of credit         4,300,000us-gaap_ProceedsFromLinesOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
     
Maximum borrowing base of revolving note payable         11,500,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
    15,300,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
Debt Instrument, Interest Rate, Stated Percentage         12.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
     
Debt Instrument, Basis Spread on Variable Rate         2.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
     
Variable Rent Cap, Percentage         19.00%corr_VariableRentCapPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
     
Line of Credit [Member] | REIT Loan [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Debt Instrument, Interest Rate, Stated Percentage   12.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_REITLoanMember
      12.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_REITLoanMember
   
Variable Rent Cap, Percentage           19.00%corr_VariableRentCapPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_REITLoanMember
   
Line of Credit [Member] | TRS Loan [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Debt Instrument, Interest Rate, Stated Percentage   13.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_TRSLoanMember
      13.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_TRSLoanMember
   
Variable Rent Cap, Percentage           20.00%corr_VariableRentCapPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_TRSLoanMember
   
Subsidiaries [Member] | Long-term Debt [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Maximum borrowing base of revolving note payable               1,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LongTermDebtMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Subsidiaries [Member] | Long-term Debt [Member] | Black Bison Water Services LLC [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Maximum borrowing base of revolving note payable               3,300,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LongTermDebtMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
Warrant [Member]                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Class of Warrant or Right, Right To Purchase Percentage Of Equity         15.00%corr_ClassofWarrantorRightRightToPurchasePercentageOfEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
     
Proceeds for Purchase of Shares         $ 34,000corr_ProceedsforPurchaseofShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
  $ 51,000corr_ProceedsforPurchaseofShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 3.16us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
     
Class of Warrant or Right, Value of Percent of Capital Contributed Increase Per Annum         12.00%corr_ClassofWarrantorRightValueofPercentofCapitalContributedIncreasePerAnnum
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
     
Class of Warrant or Right, Value of Percent of Capital Contributed             1872.00%corr_ClassofWarrantorRightValueofPercentofCapitalContributed
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember